class.ilSCORM2004Objective.php

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<?php

/* Copyright (c) 1998-2011 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once("./Modules/Scorm2004/classes/seq_editor/class.ilSCORM2004Item.php");
require_once("./Modules/Scorm2004/classes/seq_editor/class.ilSCORM2004MapInfo.php");


class ilSCORM2004Objective extends ilSCORM2004Item
{
        
        //db fields
        
        private $node = null;
        private $id = null;  //userd as ID
        private $objectiveID = null; //used as title
        
        //not supported in GUI yet
        private $minNormalizedMeasure = 1.0;
        private $primary = true;
        private $satisfiedByMeasure = false;
        
        //mappings
        private $mappings =array();
        
        function ilSCORM2004Objective($a_treeid = null, $a_obj_id = null)
        {
                parent::ilSCORM2004Item($a_treeid);
                
                if ($a_obj_id !=null && $a_treeid != null) {
                        $xpath_obj = new DOMXPath($this->dom);
                        $obj_node_list = $xpath_obj->query('//objective[@objectiveID = "'.$a_obj_id.'"] | '.
                                                                                           '//primaryObjective[@objectiveID = "'.$a_obj_id.'"]');
                        $this->setNode($obj_node_list->item(0));
                } else {
                        if ($a_obj_id ==null &&  $a_treeid != null) {
                                $obj_con = $this->dom->createElement("objectives");
                                $obj = $this->dom->createElement("primaryObjective");
                                $root = $this->dom->getElementsByTagName("sequencing")->item(0);
                                $obj_con->appendChild($obj);
                                $root->appendChild($obj_con);
                                $this->node =$this->dom->getElementsByTagName("primaryObjective")->item(0);
                        }
                }
        }
        
        
        
        // **********************
        // GETTER METHODS
        // **********************
        
        public function getId()
        {
                return $this->node->getAttribute("objectiveID");
        }
        
        public function getMinNormalizedMeasure()
        {
                return $this->node->getAttribute("minNormalizedMeasure");
        }
        
        public function getObjectiveID()
        {
                return $this->node->getAttribute("title");
        }
        
        public function getPrimary()
        {
                return $this->primary;
        }
        
        public function getSatisfiedByMeasure()
        {
                return $this->node->getAttribute("satisfiedByMeasure");
        }
        
        public function getMappings()
        {
                return $this->mappings;
        }
        
        // **********************
        // Setter METHODS
        // **********************

        public function setSeqNodeId($a_seqnodeid)
        {
                $this->seqNodeId = $a_seqnodeid;
        }
        
        public function setId($a_id)
        {
                $this->node->setAttribute("objectiveID",$a_id);
        }
        
        
        public function setMinNormalizedMeasure($a_minmeasure)
        {
                $this->node->setAttribute("minNormalizedMeasure",$a_minmeasure);
        }
        
        public function setObjectiveID($a_objectiveid)
        {
                $this->node->setAttribute("title",$a_objectiveid);
        }
        
        public function setPrimary($a_primary)
        {
                $this->primary = $a_primary;
        }
        
        public function setSatisfiedByMeasure($a_satisfied)
        {
                $this->node->setAttribute("satisfiedByMeasure",$a_satisfied);
        }
        
        public function setMappings($a_mappings)
        {
                $this->mappings = $a_mappings;
        }
        
        public function setNode($a_node)
        {
                $this->node = $a_node;
        }
        
        public function setDom($a_dom)
        {
                $this->dom = $a_dom;
        }
        
        // **********************
        // Standard  Operations for Object
        // **********************

        
        public function updateObjective() {
                parent::update();
        }
        
        static function fetchAllObjectives($a_slm_object,$a_tree_node_id) 
        {
                global $ilDB;
                
                $objectives = array();
                $seq_item = new ilSCORM2004Item($a_tree_node_id);
                $xpath_obj = new DOMXPath($seq_item->dom);
                $obj_node_list = $xpath_obj->query('//objective | //primaryObjective');
                for ($i=0;$i<$obj_node_list->length;$i++) {
                        $obj = new ilSCORM2004Objective();
                        $obj->setNode($obj_node_list->item($i));
                        $mapping_node_list = $xpath_obj->query('//objective | //primaryObjective');
                        //check for mapping
                        array_push($objectives,$obj);
                }
                return $objectives;
                
        }
        
}
?>